The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Arabic to Roman in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 601st vang1ong7ang 728 126 21ms 29 Oct 2021 601st CaedenHarper 🇨🇦 728 126 25ms 6 days ago 603rd MeWhenI 🇻🇦 728 176 9ms 16 Jun 2023 604th CaedenHarper 🇨🇦 727 166 20ms 6 days ago 605th primo-ppcg 🇹🇭 726 136 14ms 3 Jul 2023 606th MeWhenI 🇻🇦 726 164 430ms 16 Jun 2023 607th anter69 🇭🇺 725 125 1,619ms 13 Mar 2025 608th Yewzir 🇧🇪 725 141 11ms 16 Feb 2024 609th sultan 725 200 521ms 12 days ago 610th lynn 724 92 92ms 13 Mar 2023 610th sisyphus-ppcg 🇦🇺 724 92 80ms 14 Mar 2023 610th Yewzir 🇧🇪 724 92 78ms 6 Mar 2024 613th efgen 723 127 18ms 26 Dec 2023 614th ludwig-n 723 167 23ms 6 Apr 2021 615th zygoloid 721 187 69ms 11 Aug 2024 616th namelessiw 721 201 626ms 8 Oct 2025 617th Indivicivet 720 67 23ms 30 Mar 2021 617th KatieLG 🇬🇧 720 67 24ms 24 May 2021 619th stefangimmillaro 720 169 147ms 29 Nov 2022 620th edsrzf 🇳🇿 720 177 35ms 18 Mar 2026 621st jfallon1997 719 168 29ms 15 Aug 2022 621st mathisfun271 719 168 26ms 16 Dec 2023 621st dirckvdende 719 168 26ms 6 Jul 2025 624th TheEric0802 🇩🇪 719 172 16ms 22 Sep 2023 625th elgan65536 🇺🇸 719 229 260ms 28 Mar 2024 626th boxjelly 718 203 348ms 23 Feb 2021 626th HallMatthew314 718 203 355ms 14 Feb 2022 628th anter69 🇭🇺 717 114 42ms 31 Jan 2022 629th dokutan 717 202 556ms 13 Jan 2026 630th DialFrost 🇸🇬 717 367 1,276ms 17 Apr 2025 631st annaproxy 716 93 81ms 16 Mar 2023 632nd nwellnhof 🇩🇪 716 114 764ms 23 Jul 2023 633rd SniperSmiley 🇺🇸 714 169 21ms 29 Jun 2022 634th sean-niemann 🇺🇸 713 167 492ms 10 Jan 2024 635th fantaize 713 231 208ms 10 Mar 2026 636th olivermrose 🇺🇸 711 115 52ms 13 Sep 2021 637th targrik 711 129 51ms 4 Sep 2025 638th Yewzir 🇧🇪 711 219 359ms 5 Jan 2024 639th Yewzir 🇧🇪 710 170 24ms 3 Jun 2024 639th HumanoidCPU 710 170 31ms 31 Oct 2024 639th keelimeguy 🇺🇸 710 170 68ms 17 May 2025 639th Kyogre-Primal 🇺🇦 710 170 32ms 28 May 2025 639th mantaslu 🇱🇹 710 170 21ms 8 days ago 644th MeWhenI 🇻🇦 710 215 56ms 29 Apr 2025 645th adyache 🇺🇸 708 150 91ms 12 Jun 2023 646th jared-hughes 708 181 6ms 18 Jul 2022 647th DialFrost 🇸🇬 707 134 288ms 15 Aug 2024 648th janbehrens 🇩🇪 706 140 15ms 12 Nov 2023 649th TobyBoyne 🇬🇧 706 171 41ms 26 Feb 2021 649th amollberg 🇸🇪 706 171 20ms 18 Jan 2022 649th wuduculfre 706 171 27ms 29 Jul 2025 652nd blaztoma 🇱🇹 705 116 55ms 13 Oct 2025 653rd billings7 🇬🇧 705 169 426ms 21 Nov 2021 654th primo-ppcg 🇹🇭 704 206 644ms 2 Sep 2020 654th h3ra993huskp 🇯🇵 704 206 713ms 30 Nov 2025 656th angel-p57 🇯🇵 704 238 11ms 18 May 2022 657th commandz0 🇺🇸 703 148 562ms 1 Sep 2025 658th aditsu 703 162 2,712ms 9 Sep 2025 659th minus7 702 172 22ms 24 Feb 2018 659th cubed-guy 702 172 28ms 2 Nov 2022 659th adamnielson42 🇺🇸 702 172 19ms 7 Dec 2023 659th CutSandstone 702 172 17ms 4 Jul 2024 663rd stefangimmillaro 702 222 343ms 24 Oct 2023 664th lifthrasiir 🇰🇷 701 63 8ms 30 Nov 2024 665th PatrickStephansen 🇿🇦 700 131 24ms 19 Oct 2020 665th voytxt 🇨🇿 700 131 19ms 20 Jul 2025 667th ethanlally 700 207 576ms 8 Jan 2026 668th Betuaredead 699 69 16ms 12 Jan 2023 669th declank 699 117 58ms 2 Mar 2026 670th frankgraziano 699 356 215ms 7 Nov 2025 671st SirBogman 🇺🇸 698 117 1,176ms 11 Apr 2024 672nd inventshah 698 149 546ms 22 Jan 2024 673rd yokasuretsu 698 173 25ms 14 Jan 2025 674th tobeannouncd 698 209 332ms 3 Jan 2024 675th retrohun 696 137 1,222ms 29 Oct 2019 676th duckyluuk 🇳🇱 695 181 63ms 16 Dec 2024 677th MaxElf999 694 174 26ms 29 Sep 2022 677th Pyroan 694 174 22ms 5 Jan 2026 679th jmerle 🇳🇱 693 96 80ms 5 Jul 2023 679th f-tucker 693 96 81ms 19 Dec 2023 681st jared-hughes 693 118 48ms 12 Sep 2022 682nd Shanethegamer 🇺🇸 693 150 610ms 17 Jan 2024 683rd HumanoidCPU 693 218 130ms 10 Jun 2024 684th GrayJoKing 🇦🇺 691 167 142ms 26 Jan 2023 685th AlephSquirrel 690 133 26ms 15 Feb 2023 685th niklv 🇷🇺 690 133 15ms 21 Dec 2023 685th jbt 690 133 17ms 25 Dec 2023 688th LouisRustenholz 690 175 44ms 23 Dec 2021 688th wrose100 690 175 23ms 9 Apr 2022 688th yoavjs 690 175 21ms 1 Apr 2025 688th Babafaba 690 175 23ms 24 Nov 2025 688th dokutan 690 175 34ms 1 Feb 2026 688th Matter1024 🇮🇳 690 175 22ms 23 Mar 2026 694th MeWhenI 🇻🇦 689 151 638ms 24 May 2024 695th sultan 689 173 484ms 12 days ago 696th edsrzf 🇳🇿 689 177 545ms 21 days ago 697th acornellier 687 119 54ms 11 Dec 2018 698th DialFrost 🇸🇬 687 155 187ms 24 May 2025 699th fgrosshans 🇫🇷 686 97 82ms 5 May 2023 700th mossprescott 686 176 23ms 24 Jun 2019 First Prev 601–700 of 1,932 Next Last